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PS.
Her er mer om dette:
https://no.wikipedia.org/wiki/Svein_Grønvold
PS 2.
Enda mer om dette:
https://www.researchgate.net/profile/Olav_Hjeljord/publication/279079712_Glyphosate_Application_in_Forest-Ecological_Aspects_VIII_The_Effect_on_Black_Grouse_Tetrao_tetrix_Summer_Habitat/links/59f2ec9da6fdcc1dc7bb3296/Glyphosate-Application-in-Forest-Ecological-Aspects-VIII-The-Effect-on-Black-Grouse-Tetrao-tetrix-Summer-Habitat.pdf?origin=publication_detail
